Which of the Following Is the Best Answer to the Question,"Why

question 55

Multiple Choice

Which of the following is the best answer to the question,"Why does the Sun shine?"

• A)As the Sun was forming,nuclear fusion reactions in the shrinking clouds of gas slowly became stronger and stronger,until the Sun reached its current luminosity.
• B)As the Sun was forming,gravitational contraction increased the Sun's temperature until the core become hot enough for nuclear fusion,which ever since has generated the heat that makes the Sun shine.
• C)The Sun initially began making energy through chemical reactions.These heated the interior enough to allow gravitational contraction and nuclear fusion to occur.
• D)The Sun initially began generating energy through nuclear fusion as it formed,but today it generates energy primarily through the sunspot cycle.

---

Definitions:

Naturalistic Observation

A study approach wherein participants are watched in their own natural settings without any interference from the researcher.

Human-Robot Interaction

The study of interactions between humans and robots, encompassing how humans perceive, interact with, and treat robots.

Clinical Psychologist

A healthcare provider trained in the assessment, diagnosis, treatment, and prevention of psychological disorders.

Industrial-Organizational Psychologist

A professional who applies psychological principles to the workplace to solve problems and improve the quality of work life, including areas of hiring, employee motivation, and organizational development.